A) \[ZnS{{O}_{4}}\]
B) \[CuS{{O}_{4}}\]
C) \[NiS{{O}_{4}}\]
D) \[FeS{{O}_{4}}\]
Correct Answer: B
Solution :
\[{{I}_{2}}\] is liberated when \[KI\] is treated with\[CuS{{O}_{4}}.\]
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